[pve-devel] win8r2 virtio net problems

[Dietmar Maurer]

> I have done test with win2012 + virtio-net, no tuning, last virtio driver.
> 
> on a small 2core 5110  @ 1.60GHz, I can achieve around 500mbit/s

using ipperf or ntttcp?

> But the cpu is limiting the speed.  (so 500mbits vm<->host, or 250mbits vm<-
> >vm)
> 
> (seem that virtio-net windows use a lot more cpu than linux)
> 
> I try to play with offloading to see if I can improve performance.

I observed the problems using win8r2.